Apparatus for supplying liquids in predetermined quantities



Sept. 24, l929. F. J. WOOD ET AL 1,729,200

APPARATUS FOR SUPPLYING LIQUIDS IN PREDETERMINED QUANTITIES Filed Feb.25, 1928 Y JOH/VLl/CK W Patented Sept. 24, 1929 UNITED STATES PATENTOFFICE FREDERICK JAMES )VOGD AND JOHN LUCK, OF HAYWARDS HEATH, ENGLANDAPEARATUS FOR SUPPLYING LIQUIDS IN PREDE'IEBMINED QUANTITIES Applicationfiled February 23, 19.28. Serial No. 256/114, and in Great Britain June2, 1927.

This invention relates to apparatus for the supply tank a and the pipe 9into the supplying liquids in predetermined quantimixer water tank Itand the slide valve 6 is so ties for any purpose. Operated by means ofthe rod is that water Apparatus according to the present invenpassesfrom the valve box d either through tion comprises a tank adapted tocontain the bye-pass pipe f back to the supply tank a only apredetermined quantity of water, the the outlet to the pipe 9 beingclosed by the supply to this tank passing through a valve valve 0 or tothe mixer water tank It through box wherein is contained a governorvalve the pipe 9 the outlet to the bye-pass pipe 7 adapted to controlthe outlets from the box to being shut off by the valve 6.

10 a bye'pass pipe leading back to the source of An overflow pipe mprojects upwardly water supply and to a second pipe communifrom the baseof the mixer tank It and the eating with the tank whereby thepredeterlower end of this pipe is in communication mined quantity ofwater in the tank by the a by way of a return bend a with the bye-passsimultaneous operation of the governor valve pipe The height of theoverflow pipe 1 and a valve controlling the discharge from within themixer tank It is varied according the tank may be discharged from thetank to the amount of water required for the batch as and when required,the continuous supply in the mixer and this maybe efl'ect'ed by maktothe tank being diverted by the bye-pass ing the pipe m telescopic sothat its height pipe back to the source of supply. within the tank Itmay be adjusted by suit- 20 The amount of water in the tank is govablemeans such as a screw-threaded rod 0 erned by the height of anadjustable overpassing to and operated. from, the outside of flow pipewhereby any excess over this amount the mixer tank It by means of ahandle 7). is returned to the source of supply. The pipe 9 leading fromthe bottom of the The invention is particularly applicable mixer tank itto the mixer is controlled by a to the intermittent supply of the waterrevalve 7 the actuating rod 8 of which is conquired in the mixing ofconcrete in a mixer nected to the rod 70 by means of the bell-crank anda suitable form of apparatus for this lever t that may he pivoted onone'side of the purpose and embodying the invention is tank 70 so thatthe two valves 6 and r are simulsomewhat diagrammatically illustrated inthe taneously operated by means of the bell- 30 accompanying drawing byway of example. Cr nk lever u and the handle 11. By the apparatus showntherein and hereinn operation, assuming that the slide valve after moreparticularly described substan- 6 is in the position shown closing theoutlet tially the quantity of water required for each from the box (Z tothe pipe 7, the pipe 9 is open batch may be supplied to the mixerwithout a d t e Water drawn from the supply tank a 35 stopping therunning of the pump delivering by the pump 6 passes from the valve box(Z the water to the mixer water tank thus 07- ough the pipe 9 intothe'mixer tank h. pediting the supply and at the same time lVhen thepredetermined quantity of water eliminating waste by dispensing with theball 18 in the tank 7 the amount being fiXeCl {LS P and float controlvalve commonly employed. viously indicated by the height of theover- 40Referring to the drawing it will be appreflow pipe m, the watercontinuing to flow it ciated that the water is drawn from a supply o VfiOW hrough the overflow pipe m and tank a that may-be fed from theordinary p s y the return bend 1% k to the supservice main, by asuitable pump 6 that may ply nk a hv way Oi the bye-pass pipe 7. bedriven for example from the mixer shafts When it is desired to chargethe mixer 45 and the delivery of which communicates with With Wate the hndle 41 iS Operated whereby a pipe 0 that leads to a bye-pass valve boxnot only is the position of the slide valve 6 0? wherein is housed asuitable governor slide altered to close the pipe 9' and open thebyevalve (2 controlling the outlet from the box (Z pass pipe fso'thatthe water fiows' from t tee two n I L "valv' [T127 hpug'h the pipe fbe J1 4 t" ,4 v: an; as and. stir the valve 1' is lifted and thepredetermined quantity of water in the mixer tank It flows to the mixerthrough the pipe 9.

The position of the slide valve 6 is then reversed by the handle '0 andthe valve 1' is simultaneously lowered to its seat closing the pipe 9and the bye-pass pipe 7 being closed the water from the supply tank aflows to the mixer tank It until it again contains the quantity of waterrequired to bring the overflow pipe m into operation.

It will be appreciated that the pump Z2 is continuously in operation andthat the predetermined quantity of water in the mixer tank It may bepassed to the mixer intermit.- tently and as frequently as circumstancesdictate.

what we claim is 1. Apparatus for supplying liquids in predeterminedquantities comprising a tank, a telescopic overflow pipe within saidtank, means for adjusting the height of said overflow pipe to ensure apredetermined quantity of liquid in said tank, a pipe supplying saidtank, a valve box interposed between said pipe and said tank and havingtwo outlets, a bye-pass pipe leading from one of said outlets to thesource of supply and a second pipe leading from the other of saidoutlets to the interior of the tank, a governor valve in said valve boxcontrolling both of said outlets, a discharge pipe extending from thebottom of the tank, a valve controlling said discharge pipe, means forsimultaneously actuating said valve and said governor valve, and meansincluding said overflow pipe whereby any excess over the predeterminedquantity in the tank is returned to the source of supply through saidbye-pass pipe.

2. Apparatus for supplying liquids in predetermined quantitiescomprising a tank, a telescopic overflow pipe within said tank, meansfor adjusting the height of said overflow pipe to ensure a predeterminedquantity of liquids in said tank, a pipe supplying said tank, a valvebox interposed between said pipe and said tank and having two outlets, abye-pass pipe leading from one of said outlets to the source of supplyand a second pipe leading from the other of said outlets to the interiorof the tank, a governor valve in said valve box controlling both of saidoutlets, a discharge pipe extending from the bottom of the tank, a valvecontrolling said discharge pipe, means for simultaneously actuating saidvalve and said governor valve and a pipe connecting said overflow pipeto said bye-pass pipe as and for the purposes described.

In testimony whereof we affix our signatures. I

FREDERICK JAMES WOOD.

JOHN LUCK.

